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/* Test of Unicode compliance of normalization of UTF-32 strings.
Copyright (C) 2009-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2009. */
#include <config.h>
/* Specification. */
#include "test-u32-normalize-big.h"
#if GNULIB_TEST_UNINORM_U32_NORMALIZE
#include <stdio.h>
#include <stdlib.h>
#include "xalloc.h"
#include "unistr.h"
#include "macros.h"
#define ASSERT_WITH_LINE(expr, file, line) \
do \
{ \
if (!(expr)) \
{ \
fprintf (stderr, "%s:%d: assertion failed for %s:%u\n", \
__FILE__, __LINE__, file, line); \
fflush (stderr); \
abort (); \
} \
} \
while (0)
static int
cmp_ucs4_t (const void *a, const void *b)
{
ucs4_t a_value = *(const ucs4_t *)a;
ucs4_t b_value = *(const ucs4_t *)b;
return (a_value < b_value ? -1 : a_value > b_value ? 1 : 0);
}
void
read_normalization_test_file (const char *filename,
struct normalization_test_file *file)
{
FILE *stream;
unsigned int lineno;
int part_index;
struct normalization_test_line *lines;
size_t lines_length;
size_t lines_allocated;
stream = fopen (filename, "r");
if (stream == NULL)
{
fprintf (stderr, "error during fopen of '%s'\n", filename);
exit (1);
}
for (part_index = 0; part_index < 4; part_index++)
{
file->parts[part_index].lines = NULL;
file->parts[part_index].lines_length = 0;
}
lineno = 0;
part_index = -1;
lines = NULL;
lines_length = 0;
lines_allocated = 0;
for (;;)
{
char buf[1000+1];
char *ptr;
int c;
struct normalization_test_line line;
size_t sequence_index;
lineno++;
/* Read a line. */
ptr = buf;
do
{
c = getc (stream);
if (c == EOF || c == '\n')
break;
*ptr++ = c;
}
while (ptr < buf + 1000);
*ptr = '\0';
if (c == EOF)
break;
/* Ignore empty lines and comment lines. */
if (buf[0] == '\0' || buf[0] == '#')
continue;
/* Handle lines that introduce a new part. */
if (buf[0] == '@')
{
/* Switch to the next part. */
if (part_index >= 0)
{
lines =
(struct normalization_test_line *)
xnrealloc (lines, lines_length, sizeof (struct normalization_test_line));
file->parts[part_index].lines = lines;
file->parts[part_index].lines_length = lines_length;
}
part_index++;
lines = NULL;
lines_length = 0;
lines_allocated = 0;
continue;
}
/* It's a line containing 5 sequences of Unicode characters.
Parse it and append it to the current part. */
if (!(part_index >= 0 && part_index < 4))
{
fprintf (stderr, "unexpected structure of '%s'\n", filename);
exit (1);
}
ptr = buf;
line.lineno = lineno;
for (sequence_index = 0; sequence_index < 5; sequence_index++)
line.sequences[sequence_index] = NULL;
for (sequence_index = 0; sequence_index < 5; sequence_index++)
{
uint32_t *sequence = XNMALLOC (1, uint32_t);
size_t sequence_length = 0;
for (;;)
{
char *endptr;
unsigned int uc;
uc = strtoul (ptr, &endptr, 16);
if (endptr == ptr)
break;
ptr = endptr;
/* Append uc to the sequence. */
sequence =
(uint32_t *)
xnrealloc (sequence, sequence_length + 2, sizeof (uint32_t));
sequence[sequence_length] = uc;
sequence_length++;
if (*ptr == ' ')
ptr++;
}
if (sequence_length == 0)
{
fprintf (stderr, "empty character sequence in '%s'\n", filename);
exit (1);
}
sequence[sequence_length] = 0; /* terminator */
line.sequences[sequence_index] = sequence;
if (*ptr != ';')
{
fprintf (stderr, "error parsing '%s'\n", filename);
exit (1);
}
ptr++;
}
/* Append the line to the current part. */
if (lines_length == lines_allocated)
{
lines_allocated = 2 * lines_allocated;
if (lines_allocated < 7)
lines_allocated = 7;
lines =
(struct normalization_test_line *)
xnrealloc (lines, lines_allocated, sizeof (struct normalization_test_line));
}
lines[lines_length] = line;
lines_length++;
}
if (part_index >= 0)
{
lines =
(struct normalization_test_line *)
xnrealloc (lines, lines_length, sizeof (struct normalization_test_line));
file->parts[part_index].lines = lines;
file->parts[part_index].lines_length = lines_length;
}
{
/* Collect all c1 values from the part 1 in an array. */
const struct normalization_test_part *p = &file->parts[1];
ucs4_t *c1_array = XNMALLOC (p->lines_length + 1, ucs4_t);
size_t line_index;
for (line_index = 0; line_index < p->lines_length; line_index++)
{
const uint32_t *sequence = p->lines[line_index].sequences[0];
/* In part 1, every sequences[0] consists of a single character. */
if (!(sequence[0] != 0 && sequence[1] == 0))
abort ();
c1_array[line_index] = sequence[0];
}
/* Sort this array. */
qsort (c1_array, p->lines_length, sizeof (ucs4_t), cmp_ucs4_t);
/* Add the sentinel at the end. */
c1_array[p->lines_length] = 0x110000;
file->part1_c1_sorted = c1_array;
}
file->filename = xstrdup (filename);
if (ferror (stream) || fclose (stream))
{
fprintf (stderr, "error reading from '%s'\n", filename);
exit (1);
}
}
void
test_specific (const struct normalization_test_file *file,
int (*check) (const uint32_t *c1, size_t c1_length,
const uint32_t *c2, size_t c2_length,
const uint32_t *c3, size_t c3_length,
const uint32_t *c4, size_t c4_length,
const uint32_t *c5, size_t c5_length))
{
size_t part_index;
for (part_index = 0; part_index < 4; part_index++)
{
const struct normalization_test_part *p = &file->parts[part_index];
size_t line_index;
for (line_index = 0; line_index < p->lines_length; line_index++)
{
const struct normalization_test_line *l = &p->lines[line_index];
ASSERT_WITH_LINE (check (l->sequences[0], u32_strlen (l->sequences[0]),
l->sequences[1], u32_strlen (l->sequences[1]),
l->sequences[2], u32_strlen (l->sequences[2]),
l->sequences[3], u32_strlen (l->sequences[3]),
l->sequences[4], u32_strlen (l->sequences[4]))
== 0,
file->filename, l->lineno);
}
}
}
void
test_other (const struct normalization_test_file *file, uninorm_t nf)
{
/* Check that for every character not listed in part 1 of the
NormalizationTest.txt file, the character maps to itself in each
of the four normalization forms. */
const ucs4_t *p = file->part1_c1_sorted;
ucs4_t uc;
for (uc = 0; uc < 0x110000; uc++)
{
if (uc >= 0xD800 && uc < 0xE000)
{
/* A surrogate, not a character. Skip uc. */
}
else if (uc == *p)
{
/* Skip uc. */
p++;
}
else
{
uint32_t input[1];
size_t length;
uint32_t *result;
input[0] = uc;
result = u32_normalize (nf, input, 1, NULL, &length);
ASSERT (result != NULL && length == 1 && result[0] == uc);
free (result);
}
}
}
void
free_normalization_test_file (struct normalization_test_file *file)
{
size_t part_index;
for (part_index = 0; part_index < 4; part_index++)
{
const struct normalization_test_part *p = &file->parts[part_index];
size_t line_index;
for (line_index = 0; line_index < p->lines_length; line_index++)
{
const struct normalization_test_line *l = &p->lines[line_index];
size_t sequence_index;
for (sequence_index = 0; sequence_index < 5; sequence_index++)
free (l->sequences[sequence_index]);
}
free (p->lines);
}
free (file->part1_c1_sorted);
free (file->filename);
}
#endif